package com.hgw.Demo09_StrategyPattern.examples;

/**
 * Data time:2021/12/20 20:46
 * StudentID:2019112118
 * Author:hgw
 * Description: 儿童票折扣类，充当具体策略类
 */
public class ChildrenDiscount implements Discount{
    private final double DISCOUNt = 10;

    public double calculate(double price) {
        System.out.println("儿童票");
        if (price >= 20) {
            return price - DISCOUNt;
        } else {
            return price;
        }
    }
}
